How many CleanTech companies are in Denmark?

There are 1,534 CleanTech companies registered in Denmark.

What is the largest CleanTech company in Denmark?

The largest CleanTech company in Denmark by number of employees is Siemens Gamesa Renewable Energy A/S.

Top 50 CleanTech Companies in Denmark (2026)

Denmark is a global pioneer in wind energy and sustainable technology. Discover the top Danish CleanTech companies ranked by workforce size.

🇩🇰 Siemens Gamesa Renewable Energy A/S

6,038 employees

Global leader providing sustainable onshore and offshore wind energy solutions.

🇩🇰 VESTAS WIND SYSTEMS A/S

2,977 employees

Global leader in sustainable wind energy solutions and services.

🇩🇰 Everllence, filial af Everllence SE, TYSKLAND

2,606 employees

Leading provider of sustainable propulsion and industrial decarbonization technology solutions.

🇩🇰 KEMP & LAURITZEN A/S

2,408 employees

Leading Danish technical installation company driving sustainable building energy solutions.

🇩🇰 DANFOSS A/S

2,279 employees

Engineering sustainable solutions to increase productivity and reduce global emissions.

🇩🇰 VESTAS MANUFACTURING A/S

2,054 employees

Global leader in sustainable wind energy design and maintenance solutions.

🇩🇰 GRUNDFOS HOLDING A/S

1,922 employees

Global leader in energy-efficient water solutions and pump technology.

🇩🇰 Topsoe A/S

1,850 employees

Leading global provider of advanced energy transition technology and solutions.

🇩🇰 GRUNDFOS A/S

1,501 employees

Global leader in energy-efficient water solutions and pump technology.

🇩🇰 Ørsted Services A/S

1,491 employees

Global leader in developing, constructing, and operating offshore wind farms.

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🇩🇰 Ørsted Wind Power Holding A/S

1,411 employees

Global leader in developing and operating sustainable offshore wind energy.

🇩🇰 Ørsted Wind Power A/S

1,180 employees

Global leader in developing, constructing, and operating offshore wind farms.

🇩🇰 KAMSTRUP A/S

1,102 employees

Innovative intelligent metering solutions for sustainable water and energy management.

🇩🇰 SEMCO MARITIME A/S

1,030 employees

International engineering contractor providing turnkey solutions for global energy projects.

🇩🇰 VESTAS NORTHERN EUROPE A/S

1,026 employees

Global leader in sustainable wind energy design, manufacturing, and maintenance.

🇩🇰 DANFOSS POWER SOLUTIONS ApS

1,014 employees

Engineering sustainable solutions to increase productivity and reduce emissions.

🇩🇰 DANFOSS POWER ELECTRONICS A/S

932 employees

Global engineering company providing energy-efficient solutions for industrial and commercial applications.

🇩🇰 ALFA LAVAL KOLDING A/S

880 employees

Global leader in heat transfer, separation, and fluid handling solutions.

🇩🇰 JOHNSON CONTROLS DENMARK ApS

806 employees

Global leader in smart, sustainable, and autonomous building technologies.

🇩🇰 Andel Holding A/S

729 employees

Denmark's leading cooperative energy and fiber network infrastructure group.

🇩🇰 TotalEnergies EP Danmark A/S

673 employees

A global integrated energy company driving the transition to sustainability.

🇩🇰 SCHNEIDER ELECTRIC DANMARK A/S

668 employees

Global leader in energy technology, electrification, automation, and digital intelligence.

🇩🇰 Ørsted Bioenergy & Thermal Power A/S

660 employees

Global leader in offshore wind and sustainable renewable energy solutions.

🇩🇰 KK Group A/S

604 employees

Global provider of power, control, and cooling solutions for industry.

🇩🇰 ALFA LAVAL COPENHAGEN A/S

581 employees

Global leader in heat transfer, separation, and fluid handling solutions.

🇩🇰 EUROPEAN ENERGY A/S

577 employees

Global developer and operator of sustainable renewable energy solutions.

🇩🇰 VATTENFALL VINDKRAFT A/S

572 employees

A leading European energy company driving the fossil-free transition.

🇩🇰 Kredsløb A/S

526 employees

Aarhus-based utility company providing district heating and waste management services.

🇩🇰 CAVERION DANMARK A/S

518 employees

Leading provider of smart, sustainable technical services for built environments.

🇩🇰 CLEVER A/S

493 employees

Providing comprehensive electric vehicle charging solutions and sustainable energy services.

🇩🇰 ABB A/S

474 employees

Global leader in electrification, automation, and sustainable industrial technology solutions.

🇩🇰 Shell Biogas A/S

451 employees

A global energy company powering progress through sustainable energy solutions.

🇩🇰 DEIF A/S

411 employees

Intelligent energy management solutions for sustainable power and marine applications.

🇩🇰 STENA RECYCLING A/S

397 employees

Leading European provider of industrial recycling and circular economy solutions.

🇩🇰 KRÜGER A/S

377 employees

Leading Danish environmental engineering firm specializing in sustainable water solutions.

🇩🇰 TESLA MOTORS DENMARK ApS

352 employees

Leading provider of electric vehicles and sustainable energy solutions in Denmark.

🇩🇰 Andel Energi A/S

341 employees

Denmark's largest energy provider delivering sustainable, digitalized energy solutions nationwide.

🇩🇰 ADVANSOR A/S

335 employees

Leading manufacturer of sustainable CO2-based refrigeration and heating solutions.

🇩🇰 ALFA LAVAL AALBORG A/S

326 employees

Global leader in heat transfer, separation, and fluid handling technologies.

🇩🇰 LIFTRA ApS

325 employees

Innovative engineering solutions for global wind turbine installation and maintenance.

🇩🇰 DANSK RETURSYSTEM A/S

322 employees

Operating Denmark's national deposit and recycling system for beverage packaging.

🇩🇰 ENVIDAN A/S

321 employees

Leading Nordic engineering firm specializing in sustainable water cycle solutions.

🇩🇰 ALSTOM TRANSPORT DANMARK A/S

317 employees

Global leader providing sustainable, integrated rail transport and mobility solutions.

🇩🇰 DHI A/S

315 employees

Global experts providing innovative water modelling and sustainable environmental solutions.

🇩🇰 Faerch A/S

311 employees

Global leader in circular, sustainable, and high-quality food packaging solutions.

🇩🇰 BRUNATA A/S

248 employees

Providing intelligent energy metering and IoT solutions for buildings.

🇩🇰 NOVENCO BUILDING & INDUSTRY A/S

230 employees

Innovative manufacturer of high-performance, energy-efficient ventilation and fan systems.

🇩🇰 BioCirc Group ApS

223 employees

A circular bioeconomic company developing integrated renewable energy clusters globally.

🇩🇰 Kanadevia Inova Denmark A/S

220 employees

Advanced engineering solutions for sustainable waste-to-energy and renewable gas infrastructure.

🇩🇰 BWT Danmark A/S

216 employees

Leading global provider of innovative water treatment and filtration solutions.

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